STORY: Egyptian police fired tear gas on Friday to disperse supporters of the Muslim Brotherhood who the Interior Ministry said had blocked traffic near a television production complex outside the capital, Cairo.
A ministry statement gave no details on the size of the protest or whether anyone had been hurt or detained.
Tear gas was fired and army helicopters hovered overhead.
Egypt was braced for a possible crackdown on two Cairo sit-ins by Muslim Brotherhood supporters of deposed Islamist president Mohamed Mursi.
The Brotherhood also announced marches to three sensitive security installations later on Friday, raising the prospect of more violence.
Diplomatic efforts to end the crisis the crisis are ongoing. More than 300 people have been killed since the army removed Mursi and his Muslim Brotherhood from power on July 3 in response to mass protests against his rule.